diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2013-10-30 21:05:29 -0400 |
|---|---|---|
| committer | Jiri Olsa <jolsa@kernel.org> | 2014-06-01 08:34:58 -0400 |
| commit | b4d3c8bd86c4eda08456691121f83b4e1db46866 (patch) | |
| tree | e2d7d9cd824fd91a97b4ade66d11098290ccd656 /virt | |
| parent | c7405d85d7a354b8ba49e2db7c4b027e6cb997c1 (diff) | |
perf report: Cache cumulative callchains
It is possble that a callchain has cycles or recursive calls. In that
case it'll end up having entries more than 100% overhead in the
output. In order to prevent such entries, cache each callchain node
and skip if same entry already cumulated.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arun Sharma <asharma@fb.com>
Tested-by: Rodrigo Campos <rodrigo@sdfg.com.ar>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1401335910-16832-8-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Diffstat (limited to 'virt')
0 files changed, 0 insertions, 0 deletions